Calculot

Calculot is a simple mathematical functions plotter for iPhone and iPod Touch. This app provides intuitively understandable interface. Many programed functions are available: sin(), cos(), sqrt() for square root, log(), ln() for natural logarithm (base e), tan(), asin(), acos(), atan(), ^ for exponent, π and e constants, 1/x and etc.
Features:
- Easy to work with graph area (pan to move, pinch to scale, double finger to go to default view, tap to view coordinates)
- Take screenshots and save them to the library
- Currently supports following functions: sin, cos, sqrt, log, ln, tan, asin, acos, atan
- Checks for syntax errors and gives probable solutions to them

更新履歴
* New UI design;
* Added more function buttons;
* Added Share options;
* Draw all or selected functions;
* Change function's line color;
* Many minor bug fixes.